1N4730ATR_S00Z

Overview

The onsemi 1N4730ATR_S00Z is a single silicon unidirectional Zener diode housed in a DO-41 glass case. It provides a nominal Zener voltage of 3.9 V with a tolerance of ±5%. The device dissipates up to 1 W at lead temperatures ≤50°C and operates within a junction and storage temperature range of -65°C to +200°C. Electrical characteristics include a maximum dynamic impedance of 9 Ω, a test current of 64 mA, and a maximum reverse leakage current of 50 µA.

Feature Summary

• Hermetically sealed glass construction for environmental stability
• Double slug type metallurgical bonded die design
• ESD protection rated at Class 3 (>6 kV) per Human Body Model

Applications

• Voltage regulation circuits
• Signal clipping applications
• Overvoltage protection networks

Procurement Notes

Verify the specific S00Z suffix against official documentation to confirm packaging details, as standard datasheets may not explicitly define this variant's shipping configuration. Confirm RoHS compliance status directly with the manufacturer or authorized distributor, as legacy markings do not guarantee current regulatory adherence. Ensure the component matches the required hermetic sealing specifications if used in harsh environments.

Selection Notes

Select this component when a stable 3.9 V reference is required in axial-lead through-hole designs. The wide operating temperature range supports high-temperature industrial applications. Verify that the 1 W power dissipation rating aligns with the thermal management capabilities of the target circuit board layout.

Part Context

This part belongs to the 1N4728A through 1N4758A series of 1 Watt Zener diodes manufactured by onsemi. The series utilizes a DO-41 package and offers extensive voltage selection from 3.3 V to 100 V. These devices are designed for stabilizing and clipping circuits requiring robust performance in demanding electronic systems.

Replacement Considerations

Cross-reference with other manufacturers' 1N4730A equivalents. Verify pinout compatibility and ensure replacement parts meet the same 1 W power dissipation and ±5% voltage tolerance requirements.